Do not show deleted items in low inventory report (#2702)

application/models/reports/Inventory_low.php

@@ -27,6 +27,7 @@ class Inventory_low extends Report
 			WHERE items.deleted = 0
 			AND items.stock_type = 0
 			AND item_quantities.quantity <= items.reorder_level
+			AND stock_locations.deleted = 0
 			ORDER BY items.name");
 
 		return $query->result_array();